13103515215541 has 8 divisors (see below), whose sum is σ = 13547245370624. Its totient is φ = 12661099817760.

The previous prime is 13103515215533. The next prime is 13103515215559. The reversal of 13103515215541 is 14551251530131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13103515215541 - 2³ = 13103515215533 is a prime.

It is a super-2 number, since 2×13103515215541² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13103515215541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13103515215341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328669056 + ... + 328708921.

It is an arithmetic number, because the mean of its divisors is an integer number (1693405671328).

Almost surely, 2^{13103515215541} is an apocalyptic number.

It is an amenable number.

13103515215541 is a deficient number, since it is larger than the sum of its proper divisors (443730155083).

13103515215541 is an equidigital number, since it uses as much as digits as its factorization.

13103515215541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657378651.

The product of its (nonzero) digits is 45000, while the sum is 37.

Adding to 13103515215541 its reverse (14551251530131), we get a palindrome (27654766745672).

The spelling of 13103515215541 in words is "thirteen trillion, one hundred three billion, five hundred fifteen million, two hundred fifteen thousand, five hundred forty-one".